/// <reference types="node" />
/**
 * bytesToBase64Url converts a Uint8Array Buffer into a base64url encoded string
 */
export declare const bytesToBase64Url: (buffer: Uint8Array) => string;
/**
 * base64Tobase64url converts a base64 encoded string into a base64url encoded string
 */
export declare const base64Tobase64url: (stringB64: string) => string;
/**
 * base64ToBytes converts a base64 encoded string into a Uint8Array
 */
export declare const base64ToBytes: (text: string) => Buffer;
/**
 * base64URLToUint8Array converts a base64url encoded string into a Uint8Array
 */
export declare const base64URLToUint8Array: (text: string) => Buffer;
/**
 * Converts Buffer into a u64 integer
 */
export declare const bytesToBigInt: (bytes: Buffer) => string | 0;
/**
 * Converts Buffer into a u32 integer
 */
export declare const bytesToU32: (bytes: Buffer) => number;
/**
 * Converts Buffer into a UTF8
 */
export declare const bytesToUTF8: (bytes: Buffer) => string;